Are you always on the lookout for something bigger and better Your ship has arrived with the MondoKing 3D. Simply put, the MondoKing 3D is the biggest Therm a Rest mattress ever. Vertical sidewalls create 20% more usable sleep surface so you have room to sleep like starfish. Dual valves allow compressible foam core to expand and inflate quickly when unpacked. A new and improved stuff sack with easy carry handle is also included.
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